To dropp the decode done callback in RTCVideoDecoderBridgeTv.

content/renderer/media/rtc_video_decoder_bridge_tv.cc

Index: content/renderer/media/rtc_video_decoder_bridge_tv.cc
diff --git a/content/renderer/media/rtc_video_decoder_bridge_tv.cc b/content/renderer/media/rtc_video_decoder_bridge_tv.cc
index c59496c2e730137b5ff157cb348bcba7e95de8e2..9b0007e9d4cfa42efe80ed93aab76e35acf7de46 100644
--- a/content/renderer/media/rtc_video_decoder_bridge_tv.cc
+++ b/content/renderer/media/rtc_video_decoder_bridge_tv.cc
@@ -25,8 +25,7 @@ RTCVideoDecoderBridgeTv::RTCVideoDecoderBridgeTv(
     RTCVideoDecoderFactoryTv* factory)
     : factory_(factory),
       is_initialized_(false),
-      first_frame_(true),
-      decode_complete_callback_(NULL) {}
+      first_frame_(true) {}
 
 RTCVideoDecoderBridgeTv::~RTCVideoDecoderBridgeTv() {}
 
@@ -57,7 +56,7 @@ int32_t RTCVideoDecoderBridgeTv::Decode(
   if (missing_frames || !input_image._completeFrame)
     return WEBRTC_VIDEO_CODEC_ERROR;
 
-  if (!is_initialized_ || decode_complete_callback_ == NULL)
+  if (!is_initialized_)
     return WEBRTC_VIDEO_CODEC_UNINITIALIZED;
 
   if (first_frame_) {
@@ -91,20 +90,13 @@ int32_t RTCVideoDecoderBridgeTv::Decode(
         render_time_ms - timestamp_offset_millis_));
   }
 
-  factory_->QueueBuffer(
-      buffer,
-      base::Bind(&RTCVideoDecoderBridgeTv::RunDecodeCompleteCallback,
-                 decode_complete_callback_,
-                 input_image._timeStamp,
-                 size_),
-      new_size);
+  factory_->QueueBuffer(buffer, new_size);
 
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
 int32_t RTCVideoDecoderBridgeTv::RegisterDecodeCompleteCallback(
     webrtc::DecodedImageCallback* callback) {
-  decode_complete_callback_ = callback;
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
@@ -118,21 +110,4 @@ int32_t RTCVideoDecoderBridgeTv::Reset() {
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
-// static
-void RTCVideoDecoderBridgeTv::RunDecodeCompleteCallback(
-    webrtc::DecodedImageCallback* callback,
-    int64_t timestamp,
-    gfx::Size size) {
-  // We call the decode complete callback function to notify libjingle that
-  // decoding is finished. In addition, this also reports back to libjingle that
-  // the particular video frame with |timestamp| is correctly rendered to
-  // libjingle, so that it can generate proper stats.
-  webrtc::I420VideoFrame dummy_video_frame;
-  int half_width = (size.width() + 1) / 2;
-  dummy_video_frame.CreateEmptyFrame(
-      size.width(), size.height(), size.width(), half_width, half_width);
-  dummy_video_frame.set_timestamp(timestamp);
-  callback->Decoded(dummy_video_frame);
-}
-
 }  // namespace content